DIN ISO 281 Beiblatt 3:2009-07

Rolling bearings - Dynamic load ratings and rating life - Supplement 3: Estimating of the contamination factor respectively the contamination level for rolling bearings in closed industrial gear units

Roulements - Charges dynamiques de base et durée nominale - Supplément 3: Estimation des facteur de contamination respectivement les niveau de contamination pour les roulements dans les boîtes de vitesses industrielles fermées

Wälzlager - Dynamische Tragzahlen und nominelle Lebensdauer - Beiblatt 3: Bestimmung des Verunreinigungsbeiwertes bzw. der Verschmutzungsklasse für Wälzlager in geschlossenen Industriegetrieben

Información:

Fecha:

2019-07 /Active

ICS:

21.100.20 - Rolling bearings

Relación con otras normas DIN:

Reemplaza a: DIN ISO 281 Beiblatt 3:2008-09

Resumen:

This supplement is applicable for rolling bearings in closed industrial gear units with oil lubrication. It doesn't contain any normative provisions though it shows informative with the help of examples, how the calculation of the modified rating life of a bearing according DIN ISO 281 the degree of contamination of the lubricant respectively the calculation of the modified reference rating life according ISO/TS 16281 the cleanliness classes of the oil in dependency on arrangements to keeping the industrial gear clean can be estimated.

Keywords:

Axial-thrust bearings, Ball bearings, Bearings, Cleanliness, Contamination, Dynamic loading, Impurities, Life (durability), Load capacity, Load ratings, Loading, Mathematical calculations, Methods of calculation, Prevention of pollution, Radial bearings, Ratings, Roller bearings, Rolling bearings, Symbols, Thrust bearings

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